Seiko Cal. 6664 - 522

The Seiko 6664-522 represents an important milestone in Seiko's 1977 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8ec316cbd333]

Also known as: Turtle

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 6315-162
• Seiko 6230-197
• Seiko 3864-235
• Seiko 0784-859
• Seiko 6393-579
• Seiko 6222-868
• Seiko 4486-276
• Seiko 5276-188
• Seiko 6291-983
• Seiko 6625-378
• Seiko 5636-392
• Seiko 4434-935